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STMICROELECTRONICS STPS140AY Schottky Rectifier

The STPS140Y is a high-performance surface-mount Schottky rectifier designed for switched-mode power supplies, high-frequency DC/DC converters, and automotive applications. It features very low conduction and switching losses, a low forward voltage drop, and avalanche capability. Packaged in SMA and SMB packages, this device can operate up to 150°C junction temperature, ensuring reliability in demanding environments. Suitable for low voltage, high-frequency inverters, freewheeling, and polarity protection, the rectifier offers exceptional efficiency and ruggedness for automotive and industrial power designs.

Authorized Distributors
Source:Newark
Part No:STPS140AY
Stock:13337
Inv Date:06-11-2026
Price: Unit price: $0.515
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Source:DigiKey
Part No:STPS140AY
Stock:1710
Inv Date:06-11-2026
Price: Unit price: $0.5
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Part No:STPS140AY
Stock:1830
Inv Date:06-12-2026
Price: Unit price: $0.5
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Part No:STPS140AY
Stock:5000
Inv Date:06-11-2026
Price: Unit price: $0.0592
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Source:Arrow EU
Part No:STPS140AY
Stock:10000
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:
Part No:STPS140AY
Stock:15
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

STMICROELECTRONICS STPS140AY Schottky Rectifier Specifications:

  • Repetitive peak reverse voltage: 40 V
  • Forward rms current: 1 A
  • Average forward current (at 130°C): 1 A
  • Surge non-repetitive forward current (10 ms): 60 A
  • Repetitive peak reverse current: 1 A
  • Peak avalanche power at 25°C: 900 W
  • Storage temperature range: -65°C to +150°C
  • Operating junction temperature: -40°C to +150°C
  • Junction to lead thermal resistance: SMA 30°C/W, SMB 25°C/W
  • Forward voltage drop: 0.65V at 2A (25°C), 0.53V at 2A (125°C)
  • Reverse leakage current: 12 pA at 25°C, 0.25 mA at 100°C

Buy the Buy STMicroelectronics STPS140AY Part Number STPS140AY Online

Purchase the STPS140Y Schottky Rectifier online today to ensure your power circuits operate efficiently and reliably. This surface-mount device provides low forward voltage drop, minimal switching losses, and robust avalanche capability, making it ideal for automotive and high-frequency inverters. Its small SMA and SMB packages simplify assembly, and its high junction temperature tolerance guarantees durability in demanding environments. Buy now to improve your power management system with top-quality, tested components designed for modern electronics applications.

Buy STMicroelectronics STPS140AY now and experience unmatched reliability and performance for your automotive and power supply projects.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS STPS140AY?

You can click on the BUY or RFQ button to purchase STPS140AY from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part STPS140AY?

You can download the STPS140AY datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of STPS140AY?

STMICROELECTRONICS

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